[INFO] fetching crate apres 0.3.4...
[INFO] testing apres-0.3.4 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] extracting crate apres 0.3.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate apres 0.3.4 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apres 0.3.4
[INFO] finished tweaking crates.io crate apres 0.3.4
[INFO] tweaked toml for crates.io crate apres 0.3.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a509c39b70dc8ac5437ec47ca9d01526b66049d38dba5c6954b9321fea53352
[INFO] running `Command { std: "docker" "start" "-a" "6a509c39b70dc8ac5437ec47ca9d01526b66049d38dba5c6954b9321fea53352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a509c39b70dc8ac5437ec47ca9d01526b66049d38dba5c6954b9321fea53352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a509c39b70dc8ac5437ec47ca9d01526b66049d38dba5c6954b9321fea53352", kill_on_drop: false }`
[INFO] [stdout] 6a509c39b70dc8ac5437ec47ca9d01526b66049d38dba5c6954b9321fea53352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34388a563d314bcaec43c6cbbe993cdedc5ff2f1bbbf7347425831d12492ebdf
[INFO] running `Command { std: "docker" "start" "-a" "34388a563d314bcaec43c6cbbe993cdedc5ff2f1bbbf7347425831d12492ebdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling apres v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/lib.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::MIDIEvent::*`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::MIDIEvent::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub mod tests;
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> src/controller.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/controller.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/controller.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let n: u32;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varlength`
[INFO] [stdout]   --> src/controller.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let varlength: u64;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:733:13
[INFO] [stdout]     |
[INFO] [stdout] 733 |         let n: u32;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/lib.rs:1286:17
[INFO] [stdout]      |
[INFO] [stdout] 1286 |             Err(e) => {
[INFO] [stdout]      |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `smpte` is assigned to, but never used
[INFO] [stdout]     --> src/lib.rs:1315:17
[INFO] [stdout]      |
[INFO] [stdout] 1315 |         let mut smpte: u32;
[INFO] [stdout]      |                 ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_smpte` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tpf` is assigned to, but never used
[INFO] [stdout]     --> src/lib.rs:1316:17
[INFO] [stdout]      |
[INFO] [stdout] 1316 |         let mut tpf: u32;
[INFO] [stdout]      |                 ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_tpf` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `found_header` is assigned to, but never used
[INFO] [stdout]     --> src/lib.rs:1321:17
[INFO] [stdout]      |
[INFO] [stdout] 1321 |         let mut found_header = false;
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_found_header` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `smpte` is never read
[INFO] [stdout]     --> src/lib.rs:1341:21
[INFO] [stdout]      |
[INFO] [stdout] 1341 |                     smpte = (((divword & 0x7F00) >> 8) as i8) as u32;
[INFO] [stdout]      |                     ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tpf` is never read
[INFO] [stdout]     --> src/lib.rs:1342:21
[INFO] [stdout]      |
[INFO] [stdout] 1342 |                     tpf = divword & 0x00FF;
[INFO] [stdout]      |                     ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `found_header` is never read
[INFO] [stdout]     --> src/lib.rs:1349:17
[INFO] [stdout]      |
[INFO] [stdout] 1349 |                 found_header = true;
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]     --> src/lib.rs:1364:58
[INFO] [stdout]      |
[INFO] [stdout] 1364 |                         Err(ApresError::UnknownMetaEvent(bytes)) => {
[INFO] [stdout]      |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]     --> src/lib.rs:1367:57
[INFO] [stdout]      |
[INFO] [stdout] 1367 |                         Err(ApresError::IllegibleString(bytes)) => {
[INFO] [stdout]      |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]     --> src/lib.rs:1385:13
[INFO] [stdout]      |
[INFO] [stdout] 1385 |         let n: u32;
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varlength`
[INFO] [stdout]     --> src/lib.rs:1386:13
[INFO] [stdout]      |
[INFO] [stdout] 1386 |         let varlength: u64;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/lib.rs:1468:17
[INFO] [stdout]      |
[INFO] [stdout] 1468 |             Err(e) => {
[INFO] [stdout]      |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `track`
[INFO] [stdout]     --> src/lib.rs:1524:36
[INFO] [stdout]      |
[INFO] [stdout] 1524 |     pub fn get_track_length(&self, track: usize) -> usize {
[INFO] [stdout]      |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_track`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1672:24
[INFO] [stdout]      |
[INFO] [stdout] 1672 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent {
[INFO] [stdout]      |                        ----^^
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1672:36
[INFO] [stdout]      |
[INFO] [stdout] 1672 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent {
[INFO] [stdout]      |                                    ----^^
[INFO] [stdout]      |                                    |
[INFO] [stdout]      |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1280:17
[INFO] [stdout]      |
[INFO] [stdout] 1280 |                 file.read(&mut buffer);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1280 |                 let _ = file.read(&mut buffer);
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1466:17
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 file.write_all(bytes.as_slice());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 let _ = file.write_all(bytes.as_slice());
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "34388a563d314bcaec43c6cbbe993cdedc5ff2f1bbbf7347425831d12492ebdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34388a563d314bcaec43c6cbbe993cdedc5ff2f1bbbf7347425831d12492ebdf", kill_on_drop: false }`
[INFO] [stdout] 34388a563d314bcaec43c6cbbe993cdedc5ff2f1bbbf7347425831d12492ebdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 623325fb403153923aa27cd2d33982773e0ca3d73105dce538a9132406cf41ed
[INFO] running `Command { std: "docker" "start" "-a" "623325fb403153923aa27cd2d33982773e0ca3d73105dce538a9132406cf41ed", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/lib.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::MIDIEvent::*`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::MIDIEvent::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub mod tests;
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> src/controller.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/controller.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/controller.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let n: u32;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varlength`
[INFO] [stdout]   --> src/controller.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let varlength: u64;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:733:13
[INFO] [stdout]     |
[INFO] [stdout] 733 |         let n: u32;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/lib.rs:1286:17
[INFO] [stdout]      |
[INFO] [stdout] 1286 |             Err(e) => {
[INFO] [stdout]      |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `smpte` is assigned to, but never used
[INFO] [stdout]     --> src/lib.rs:1315:17
[INFO] [stdout]      |
[INFO] [stdout] 1315 |         let mut smpte: u32;
[INFO] [stdout]      |                 ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_smpte` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tpf` is assigned to, but never used
[INFO] [stdout]     --> src/lib.rs:1316:17
[INFO] [stdout]      |
[INFO] [stdout] 1316 |         let mut tpf: u32;
[INFO] [stdout]      |                 ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_tpf` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `found_header` is assigned to, but never used
[INFO] [stdout]     --> src/lib.rs:1321:17
[INFO] [stdout]      |
[INFO] [stdout] 1321 |         let mut found_header = false;
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_found_header` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `smpte` is never read
[INFO] [stdout]     --> src/lib.rs:1341:21
[INFO] [stdout]      |
[INFO] [stdout] 1341 |                     smpte = (((divword & 0x7F00) >> 8) as i8) as u32;
[INFO] [stdout]      |                     ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tpf` is never read
[INFO] [stdout]     --> src/lib.rs:1342:21
[INFO] [stdout]      |
[INFO] [stdout] 1342 |                     tpf = divword & 0x00FF;
[INFO] [stdout]      |                     ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `found_header` is never read
[INFO] [stdout]     --> src/lib.rs:1349:17
[INFO] [stdout]      |
[INFO] [stdout] 1349 |                 found_header = true;
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]     --> src/lib.rs:1364:58
[INFO] [stdout]      |
[INFO] [stdout] 1364 |                         Err(ApresError::UnknownMetaEvent(bytes)) => {
[INFO] [stdout]      |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]     --> src/lib.rs:1367:57
[INFO] [stdout]      |
[INFO] [stdout] 1367 |                         Err(ApresError::IllegibleString(bytes)) => {
[INFO] [stdout]      |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]     --> src/lib.rs:1385:13
[INFO] [stdout]      |
[INFO] [stdout] 1385 |         let n: u32;
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varlength`
[INFO] [stdout]     --> src/lib.rs:1386:13
[INFO] [stdout]      |
[INFO] [stdout] 1386 |         let varlength: u64;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/lib.rs:1468:17
[INFO] [stdout]      |
[INFO] [stdout] 1468 |             Err(e) => {
[INFO] [stdout]      |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `track`
[INFO] [stdout]     --> src/lib.rs:1524:36
[INFO] [stdout]      |
[INFO] [stdout] 1524 |     pub fn get_track_length(&self, track: usize) -> usize {
[INFO] [stdout]      |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_track`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1672:24
[INFO] [stdout]      |
[INFO] [stdout] 1672 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent {
[INFO] [stdout]      |                        ----^^
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling apres v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1672:36
[INFO] [stdout]      |
[INFO] [stdout] 1672 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent {
[INFO] [stdout]      |                                    ----^^
[INFO] [stdout]      |                                    |
[INFO] [stdout]      |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1280:17
[INFO] [stdout]      |
[INFO] [stdout] 1280 |                 file.read(&mut buffer);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1280 |                 let _ = file.read(&mut buffer);
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1466:17
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 file.write_all(bytes.as_slice());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 let _ = file.write_all(bytes.as_slice());
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/lib.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> src/controller.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let mut event = ChannelPrefix(i as u8);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bpm`
[INFO] [stdout]    --> src/tests.rs:261:10
[INFO] [stdout]     |
[INFO] [stdout] 261 |     for (bpm, expected_uspqn) in test_cases_bpm.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_bpm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut event = SetTempo(*expected_uspqn);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/controller.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/controller.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let n: u32;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varlength`
[INFO] [stdout]   --> src/controller.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let varlength: u64;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:733:13
[INFO] [stdout]     |
[INFO] [stdout] 733 |         let n: u32;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/lib.rs:1286:17
[INFO] [stdout]      |
[INFO] [stdout] 1286 |             Err(e) => {
[INFO] [stdout]      |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `smpte` is assigned to, but never used
[INFO] [stdout]     --> src/lib.rs:1315:17
[INFO] [stdout]      |
[INFO] [stdout] 1315 |         let mut smpte: u32;
[INFO] [stdout]      |                 ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_smpte` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tpf` is assigned to, but never used
[INFO] [stdout]     --> src/lib.rs:1316:17
[INFO] [stdout]      |
[INFO] [stdout] 1316 |         let mut tpf: u32;
[INFO] [stdout]      |                 ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_tpf` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `found_header` is assigned to, but never used
[INFO] [stdout]     --> src/lib.rs:1321:17
[INFO] [stdout]      |
[INFO] [stdout] 1321 |         let mut found_header = false;
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_found_header` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `smpte` is never read
[INFO] [stdout]     --> src/lib.rs:1341:21
[INFO] [stdout]      |
[INFO] [stdout] 1341 |                     smpte = (((divword & 0x7F00) >> 8) as i8) as u32;
[INFO] [stdout]      |                     ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tpf` is never read
[INFO] [stdout]     --> src/lib.rs:1342:21
[INFO] [stdout]      |
[INFO] [stdout] 1342 |                     tpf = divword & 0x00FF;
[INFO] [stdout]      |                     ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `found_header` is never read
[INFO] [stdout]     --> src/lib.rs:1349:17
[INFO] [stdout]      |
[INFO] [stdout] 1349 |                 found_header = true;
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]     --> src/lib.rs:1364:58
[INFO] [stdout]      |
[INFO] [stdout] 1364 |                         Err(ApresError::UnknownMetaEvent(bytes)) => {
[INFO] [stdout]      |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]     --> src/lib.rs:1367:57
[INFO] [stdout]      |
[INFO] [stdout] 1367 |                         Err(ApresError::IllegibleString(bytes)) => {
[INFO] [stdout]      |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]     --> src/lib.rs:1385:13
[INFO] [stdout]      |
[INFO] [stdout] 1385 |         let n: u32;
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `varlength`
[INFO] [stdout]     --> src/lib.rs:1386:13
[INFO] [stdout]      |
[INFO] [stdout] 1386 |         let varlength: u64;
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/lib.rs:1468:17
[INFO] [stdout]      |
[INFO] [stdout] 1468 |             Err(e) => {
[INFO] [stdout]      |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `track`
[INFO] [stdout]     --> src/lib.rs:1524:36
[INFO] [stdout]      |
[INFO] [stdout] 1524 |     pub fn get_track_length(&self, track: usize) -> usize {
[INFO] [stdout]      |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_track`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1672:24
[INFO] [stdout]      |
[INFO] [stdout] 1672 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent {
[INFO] [stdout]      |                        ----^^
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1672:36
[INFO] [stdout]      |
[INFO] [stdout] 1672 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent {
[INFO] [stdout]      |                                    ----^^
[INFO] [stdout]      |                                    |
[INFO] [stdout]      |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1280:17
[INFO] [stdout]      |
[INFO] [stdout] 1280 |                 file.read(&mut buffer);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1280 |                 let _ = file.read(&mut buffer);
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1466:17
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 file.write_all(bytes.as_slice());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 let _ = file.write_all(bytes.as_slice());
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "623325fb403153923aa27cd2d33982773e0ca3d73105dce538a9132406cf41ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623325fb403153923aa27cd2d33982773e0ca3d73105dce538a9132406cf41ed", kill_on_drop: false }`
[INFO] [stdout] 623325fb403153923aa27cd2d33982773e0ca3d73105dce538a9132406cf41ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dadd758b1b1f72ae5068b50009faa93d22cff2052fabd1c93170f3ce5f0f112e
[INFO] running `Command { std: "docker" "start" "-a" "dadd758b1b1f72ae5068b50009faa93d22cff2052fabd1c93170f3ce5f0f112e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `min`
[INFO] [stderr]  --> src/lib.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cmp::{max, min};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::MIDIEvent::*`
[INFO] [stderr]  --> src/tests.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::MIDIEvent::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub mod tests;
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration` and `Instant`
[INFO] [stderr]  --> src/controller.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/controller.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/controller.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let n: u32;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `varlength`
[INFO] [stderr]   --> src/controller.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let varlength: u64;
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:733:13
[INFO] [stderr]     |
[INFO] [stderr] 733 |         let n: u32;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 27 tests
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]     --> src/lib.rs:1286:17
[INFO] [stderr]      |
[INFO] [stderr] 1286 |             Err(e) => {
[INFO] [stderr]      |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `smpte` is assigned to, but never used
[INFO] [stderr]     --> src/lib.rs:1315:17
[INFO] [stderr]      |
[INFO] [stderr] 1315 |         let mut smpte: u32;
[INFO] [stderr]      |                 ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: consider using `_smpte` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tpf` is assigned to, but never used
[INFO] [stderr]     --> src/lib.rs:1316:17
[INFO] [stderr]      |
[INFO] [stderr] 1316 |         let mut tpf: u32;
[INFO] [stderr]      |                 ^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: consider using `_tpf` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `found_header` is assigned to, but never used
[INFO] [stderr]     --> src/lib.rs:1321:17
[INFO] [stderr]      |
[INFO] [stderr] 1321 |         let mut found_header = false;
[INFO] [stderr]      |                 ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: consider using `_found_header` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `smpte` is never read
[INFO] [stderr]     --> src/lib.rs:1341:21
[INFO] [stderr]      |
[INFO] [stderr] 1341 |                     smpte = (((divword & 0x7F00) >> 8) as i8) as u32;
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tpf` is never read
[INFO] [stderr]     --> src/lib.rs:1342:21
[INFO] [stderr]      |
[INFO] [stderr] 1342 |                     tpf = divword & 0x00FF;
[INFO] [stderr]      |                     ^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `found_header` is never read
[INFO] [stderr]     --> src/lib.rs:1349:17
[INFO] [stderr]      |
[INFO] [stderr] 1349 |                 found_header = true;
[INFO] [stderr]      |                 ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]     --> src/lib.rs:1364:58
[INFO] [stderr]      |
[INFO] [stderr] 1364 |                         Err(ApresError::UnknownMetaEvent(bytes)) => {
[INFO] [stderr]      |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]     --> src/lib.rs:1367:57
[INFO] [stderr]      |
[INFO] [stderr] 1367 |                         Err(ApresError::IllegibleString(bytes)) => {
[INFO] [stderr]      |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]     --> src/lib.rs:1385:13
[INFO] [stderr]      |
[INFO] [stderr] 1385 |         let n: u32;
[INFO] [stderr]      |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `varlength`
[INFO] [stderr]     --> src/lib.rs:1386:13
[INFO] [stderr]      |
[INFO] [stderr] 1386 |         let varlength: u64;
[INFO] [stderr]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]     --> src/lib.rs:1468:17
[INFO] [stderr]      |
[INFO] [stderr] 1468 |             Err(e) => {
[INFO] [stderr]      |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `track`
[INFO] [stderr]     --> src/lib.rs:1524:36
[INFO] [stderr]      |
[INFO] [stderr] 1524 |     pub fn get_track_length(&self, track: usize) -> usize {
[INFO] [stderr]      |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_track`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1672:24
[INFO] [stderr]      |
[INFO] [stderr] 1672 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent {
[INFO] [stderr]      |                        ----^^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1672:36
[INFO] [stderr]      |
[INFO] [stderr] 1672 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent {
[INFO] [stderr]      |                                    ----^^
[INFO] [stderr]      |                                    |
[INFO] [stderr]      |                                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1280:17
[INFO] [stderr]      |
[INFO] [stderr] 1280 |                 file.read(&mut buffer);
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1280 |                 let _ = file.read(&mut buffer);
[INFO] [stderr]      |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1466:17
[INFO] [stderr]      |
[INFO] [stderr] 1466 |                 file.write_all(bytes.as_slice());
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1466 |                 let _ = file.write_all(bytes.as_slice());
[INFO] [stderr]      |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `apres` (lib) generated 24 warnings (run `cargo fix --lib -p apres` to apply 5 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let mut event = ChannelPrefix(i as u8);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bpm`
[INFO] [stderr]    --> src/tests.rs:261:10
[INFO] [stderr]     |
[INFO] [stderr] 261 |     for (bpm, expected_uspqn) in test_cases_bpm.iter() {
[INFO] [stderr]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_bpm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let mut event = SetTempo(*expected_uspqn);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/controller.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1672:24
[INFO] [stderr]      |
[INFO] [stderr] 1672 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent {
[INFO] [stderr]      |                        ----^^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `apres` (lib test) generated 26 warnings (21 duplicates) (run `cargo fix --lib -p apres --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/apres-709b050948d19a4f)
[INFO] [stdout] test tests::test_aftertouch_event ... ok
[INFO] [stdout] test tests::test_channel_pressure_event ... ok
[INFO] [stdout] test tests::test_add_event ... ok
[INFO] [stdout] test tests::test_channel_prefix_event ... ok
[INFO] [stdout] test tests::test_chords ... ok
[INFO] [stdout] test tests::test_copyright_notice_event ... ok
[INFO] [stdout] test tests::test_end_of_track_event ... ok
[INFO] [stdout] test tests::test_initialize_load ... ok
[INFO] [stdout] test tests::test_cue_point_event ... ok
[INFO] [stdout] test tests::test_lyric_event ... ok
[INFO] [stdout] test tests::test_instrument_name_event ... ok
[INFO] [stdout] test tests::test_marker_event ... ok
[INFO] [stdout] test tests::test_note_off_event ... ok
[INFO] [stdout] test tests::test_sequence_specific_event ... ok
[INFO] [stdout] test tests::test_set_tempo_event ... ok
[INFO] [stdout] test tests::test_control_change_events ... ok
[INFO] [stdout] test tests::test_system_exclusive_event ... ok
[INFO] [stdout] test tests::test_text_event ... ok
[INFO] [stdout] test tests::test_time_signature_event ... ok
[INFO] [stdout] test tests::test_track_name_event ... ok
[INFO] [stdout] test tests::test_variable_length_conversion ... ok
[INFO] [stdout] test tests::test_key_signature_event ... ok
[INFO] [stdout] test tests::test_note_on_event ... ok
[INFO] [stdout] test tests::test_smpte_offset_event ... ok
[INFO] [stdout] test tests::test_program_change_event ... ok
[INFO] [stdout] test tests::test_sequence_number_event ... ok
[INFO] [stdout] test tests::test_pitchwheel_change_event ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_pitchwheel_change_event stdout ----
[INFO] [stdout] thread 'tests::test_pitchwheel_change_event' panicked at src/tests.rs:370:17:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [238, 0, 16]
[INFO] [stdout]  right: [238, 0, 32]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6501e4e5ce1a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x6501e4e5ce1a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x6501e4e5ce1a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6501e4e5ce1a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6501e4e82cd3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x6501e4e82cd3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x6501e4e59fb3 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x6501e4e5cc62 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x6501e4e5e29d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x6501e4e5e0a7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x6501e4e279d7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x6501e4e279d7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x6501e4e5e948 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x6501e4e5e948 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x6501e4e5e70a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x6501e4e5d2f9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x6501e4e5e39c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x6501e4dc2b00 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x6501e4dc2ecb - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x6501e4dccb7a - core::panicking::assert_failed::h7d5980927eb67793
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x6501e4dd42fe - apres::tests::test_pitchwheel_change_event::hf303cd9de89eb8fc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:370:17
[INFO] [stdout]   21:     0x6501e4dd3e87 - apres::tests::test_pitchwheel_change_event::{{closure}}::hbf8e34d40c45d6c9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:357:34
[INFO] [stdout]   22:     0x6501e4de8576 - core::ops::function::FnOnce::call_once::he642455a1223e80e
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6501e4e2c4fb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6501e4e2c4fb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x6501e4e2bee8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x6501e4e2bee8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x6501e4e2bee8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x6501e4e2bee8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x6501e4e2bee8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x6501e4e2bee8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x6501e4e2bee8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x6501e4def98a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x6501e4def98a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x6501e4df3304 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x6501e4df3304 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x6501e4df3304 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x6501e4df3304 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x6501e4df3304 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x6501e4df3304 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x6501e4df3304 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x6501e4e6288b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x6501e4e6288b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x6501e4e6288b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x743a9cc1fac3 - <unknown>
[INFO] [stdout]   45:     0x743a9ccb0a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_pitchwheel_change_event
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 26 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "dadd758b1b1f72ae5068b50009faa93d22cff2052fabd1c93170f3ce5f0f112e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dadd758b1b1f72ae5068b50009faa93d22cff2052fabd1c93170f3ce5f0f112e", kill_on_drop: false }`
[INFO] [stdout] dadd758b1b1f72ae5068b50009faa93d22cff2052fabd1c93170f3ce5f0f112e
